Zonneschijn — 1999
| Maand | Sombreffe | Villers-la-Ville | Verschil |
|---|---|---|---|
| Jan | – | 110.2 uren | – |
| Feb | – | 154.4 uren | – |
| Mrt | – | 220.8 uren | – |
| Apr | – | 278.2 uren | – |
| Mei | – | 343.2 uren | – |
| Jun | – | 370.4 uren | – |
| Jul | – | 357.7 uren | – |
| Aug | – | 325.1 uren | – |
| Sep |
| – |
| 262.9 uren |
| – |
| Okt | – | 223.6 uren | – |
| Nov | – | 145.2 uren | – |
| Dec | – | 92.8 uren | – |